Retro68/gcc/libatomic/testsuite/libatomic.c/atomic-op-3.c
2014-09-21 19:33:12 +02:00

555 lines
11 KiB
C

/* Test __atomic routines for existence and proper execution on 4 byte
values with each valid memory model. */
/* { dg-do run } */
/* Test the execution of the __atomic_*OP builtin routines for an int. */
extern void abort(void);
int v, count, res;
const int init = ~0;
/* The fetch_op routines return the original value before the operation. */
void
test_fetch_add ()
{
v = 0;
count = 1;
if (__atomic_fetch_add (&v, count, __ATOMIC_RELAXED) != 0)
abort ();
if (__atomic_fetch_add (&v, 1, __ATOMIC_CONSUME) != 1)
abort ();
if (__atomic_fetch_add (&v, count, __ATOMIC_ACQUIRE) != 2)
abort ();
if (__atomic_fetch_add (&v, 1, __ATOMIC_RELEASE) != 3)
abort ();
if (__atomic_fetch_add (&v, count, __ATOMIC_ACQ_REL) != 4)
abort ();
if (__atomic_fetch_add (&v, 1, __ATOMIC_SEQ_CST) != 5)
abort ();
}
void
test_fetch_sub()
{
v = res = 20;
count = 0;
if (__atomic_fetch_sub (&v, count + 1, __ATOMIC_RELAXED) != res--)
abort ();
if (__atomic_fetch_sub (&v, 1, __ATOMIC_CONSUME) != res--)
abort ();
if (__atomic_fetch_sub (&v, count + 1, __ATOMIC_ACQUIRE) != res--)
abort ();
if (__atomic_fetch_sub (&v, 1, __ATOMIC_RELEASE) != res--)
abort ();
if (__atomic_fetch_sub (&v, count + 1, __ATOMIC_ACQ_REL) != res--)
abort ();
if (__atomic_fetch_sub (&v, 1, __ATOMIC_SEQ_CST) != res--)
abort ();
}
void
test_fetch_and ()
{
v = init;
if (__atomic_fetch_and (&v, 0, __ATOMIC_RELAXED) != init)
abort ();
if (__atomic_fetch_and (&v, init, __ATOMIC_CONSUME) != 0)
abort ();
if (__atomic_fetch_and (&v, 0, __ATOMIC_ACQUIRE) != 0)
abort ();
v = ~v;
if (__atomic_fetch_and (&v, init, __ATOMIC_RELEASE) != init)
abort ();
if (__atomic_fetch_and (&v, 0, __ATOMIC_ACQ_REL) != init)
abort ();
if (__atomic_fetch_and (&v, 0, __ATOMIC_SEQ_CST) != 0)
abort ();
}
void
test_fetch_nand ()
{
v = init;
if (__atomic_fetch_nand (&v, 0, __ATOMIC_RELAXED) != init)
abort ();
if (__atomic_fetch_nand (&v, init, __ATOMIC_CONSUME) != init)
abort ();
if (__atomic_fetch_nand (&v, 0, __ATOMIC_ACQUIRE) != 0 )
abort ();
if (__atomic_fetch_nand (&v, init, __ATOMIC_RELEASE) != init)
abort ();
if (__atomic_fetch_nand (&v, init, __ATOMIC_ACQ_REL) != 0)
abort ();
if (__atomic_fetch_nand (&v, 0, __ATOMIC_SEQ_CST) != init)
abort ();
}
void
test_fetch_xor ()
{
v = init;
count = 0;
if (__atomic_fetch_xor (&v, count, __ATOMIC_RELAXED) != init)
abort ();
if (__atomic_fetch_xor (&v, ~count, __ATOMIC_CONSUME) != init)
abort ();
if (__atomic_fetch_xor (&v, 0, __ATOMIC_ACQUIRE) != 0)
abort ();
if (__atomic_fetch_xor (&v, ~count, __ATOMIC_RELEASE) != 0)
abort ();
if (__atomic_fetch_xor (&v, 0, __ATOMIC_ACQ_REL) != init)
abort ();
if (__atomic_fetch_xor (&v, ~count, __ATOMIC_SEQ_CST) != init)
abort ();
}
void
test_fetch_or ()
{
v = 0;
count = 1;
if (__atomic_fetch_or (&v, count, __ATOMIC_RELAXED) != 0)
abort ();
count *= 2;
if (__atomic_fetch_or (&v, 2, __ATOMIC_CONSUME) != 1)
abort ();
count *= 2;
if (__atomic_fetch_or (&v, count, __ATOMIC_ACQUIRE) != 3)
abort ();
count *= 2;
if (__atomic_fetch_or (&v, 8, __ATOMIC_RELEASE) != 7)
abort ();
count *= 2;
if (__atomic_fetch_or (&v, count, __ATOMIC_ACQ_REL) != 15)
abort ();
count *= 2;
if (__atomic_fetch_or (&v, count, __ATOMIC_SEQ_CST) != 31)
abort ();
}
/* The OP_fetch routines return the new value after the operation. */
void
test_add_fetch ()
{
v = 0;
count = 1;
if (__atomic_add_fetch (&v, count, __ATOMIC_RELAXED) != 1)
abort ();
if (__atomic_add_fetch (&v, 1, __ATOMIC_CONSUME) != 2)
abort ();
if (__atomic_add_fetch (&v, count, __ATOMIC_ACQUIRE) != 3)
abort ();
if (__atomic_add_fetch (&v, 1, __ATOMIC_RELEASE) != 4)
abort ();
if (__atomic_add_fetch (&v, count, __ATOMIC_ACQ_REL) != 5)
abort ();
if (__atomic_add_fetch (&v, count, __ATOMIC_SEQ_CST) != 6)
abort ();
}
void
test_sub_fetch ()
{
v = res = 20;
count = 0;
if (__atomic_sub_fetch (&v, count + 1, __ATOMIC_RELAXED) != --res)
abort ();
if (__atomic_sub_fetch (&v, 1, __ATOMIC_CONSUME) != --res)
abort ();
if (__atomic_sub_fetch (&v, count + 1, __ATOMIC_ACQUIRE) != --res)
abort ();
if (__atomic_sub_fetch (&v, 1, __ATOMIC_RELEASE) != --res)
abort ();
if (__atomic_sub_fetch (&v, count + 1, __ATOMIC_ACQ_REL) != --res)
abort ();
if (__atomic_sub_fetch (&v, count + 1, __ATOMIC_SEQ_CST) != --res)
abort ();
}
void
test_and_fetch ()
{
v = init;
if (__atomic_and_fetch (&v, 0, __ATOMIC_RELAXED) != 0)
abort ();
v = init;
if (__atomic_and_fetch (&v, init, __ATOMIC_CONSUME) != init)
abort ();
if (__atomic_and_fetch (&v, 0, __ATOMIC_ACQUIRE) != 0)
abort ();
v = ~v;
if (__atomic_and_fetch (&v, init, __ATOMIC_RELEASE) != init)
abort ();
if (__atomic_and_fetch (&v, 0, __ATOMIC_ACQ_REL) != 0)
abort ();
v = ~v;
if (__atomic_and_fetch (&v, 0, __ATOMIC_SEQ_CST) != 0)
abort ();
}
void
test_nand_fetch ()
{
v = init;
if (__atomic_nand_fetch (&v, 0, __ATOMIC_RELAXED) != init)
abort ();
if (__atomic_nand_fetch (&v, init, __ATOMIC_CONSUME) != 0)
abort ();
if (__atomic_nand_fetch (&v, 0, __ATOMIC_ACQUIRE) != init)
abort ();
if (__atomic_nand_fetch (&v, init, __ATOMIC_RELEASE) != 0)
abort ();
if (__atomic_nand_fetch (&v, init, __ATOMIC_ACQ_REL) != init)
abort ();
if (__atomic_nand_fetch (&v, 0, __ATOMIC_SEQ_CST) != init)
abort ();
}
void
test_xor_fetch ()
{
v = init;
count = 0;
if (__atomic_xor_fetch (&v, count, __ATOMIC_RELAXED) != init)
abort ();
if (__atomic_xor_fetch (&v, ~count, __ATOMIC_CONSUME) != 0)
abort ();
if (__atomic_xor_fetch (&v, 0, __ATOMIC_ACQUIRE) != 0)
abort ();
if (__atomic_xor_fetch (&v, ~count, __ATOMIC_RELEASE) != init)
abort ();
if (__atomic_xor_fetch (&v, 0, __ATOMIC_ACQ_REL) != init)
abort ();
if (__atomic_xor_fetch (&v, ~count, __ATOMIC_SEQ_CST) != 0)
abort ();
}
void
test_or_fetch ()
{
v = 0;
count = 1;
if (__atomic_or_fetch (&v, count, __ATOMIC_RELAXED) != 1)
abort ();
count *= 2;
if (__atomic_or_fetch (&v, 2, __ATOMIC_CONSUME) != 3)
abort ();
count *= 2;
if (__atomic_or_fetch (&v, count, __ATOMIC_ACQUIRE) != 7)
abort ();
count *= 2;
if (__atomic_or_fetch (&v, 8, __ATOMIC_RELEASE) != 15)
abort ();
count *= 2;
if (__atomic_or_fetch (&v, count, __ATOMIC_ACQ_REL) != 31)
abort ();
count *= 2;
if (__atomic_or_fetch (&v, count, __ATOMIC_SEQ_CST) != 63)
abort ();
}
/* Test the OP routines with a result which isn't used. Use both variations
within each function. */
void
test_add ()
{
v = 0;
count = 1;
__atomic_add_fetch (&v, count, __ATOMIC_RELAXED);
if (v != 1)
abort ();
__atomic_fetch_add (&v, count, __ATOMIC_CONSUME);
if (v != 2)
abort ();
__atomic_add_fetch (&v, 1 , __ATOMIC_ACQUIRE);
if (v != 3)
abort ();
__atomic_fetch_add (&v, 1, __ATOMIC_RELEASE);
if (v != 4)
abort ();
__atomic_add_fetch (&v, count, __ATOMIC_ACQ_REL);
if (v != 5)
abort ();
__atomic_fetch_add (&v, count, __ATOMIC_SEQ_CST);
if (v != 6)
abort ();
}
void
test_sub()
{
v = res = 20;
count = 0;
__atomic_sub_fetch (&v, count + 1, __ATOMIC_RELAXED);
if (v != --res)
abort ();
__atomic_fetch_sub (&v, count + 1, __ATOMIC_CONSUME);
if (v != --res)
abort ();
__atomic_sub_fetch (&v, 1, __ATOMIC_ACQUIRE);
if (v != --res)
abort ();
__atomic_fetch_sub (&v, 1, __ATOMIC_RELEASE);
if (v != --res)
abort ();
__atomic_sub_fetch (&v, count + 1, __ATOMIC_ACQ_REL);
if (v != --res)
abort ();
__atomic_fetch_sub (&v, count + 1, __ATOMIC_SEQ_CST);
if (v != --res)
abort ();
}
void
test_and ()
{
v = init;
__atomic_and_fetch (&v, 0, __ATOMIC_RELAXED);
if (v != 0)
abort ();
v = init;
__atomic_fetch_and (&v, init, __ATOMIC_CONSUME);
if (v != init)
abort ();
__atomic_and_fetch (&v, 0, __ATOMIC_ACQUIRE);
if (v != 0)
abort ();
v = ~v;
__atomic_fetch_and (&v, init, __ATOMIC_RELEASE);
if (v != init)
abort ();
__atomic_and_fetch (&v, 0, __ATOMIC_ACQ_REL);
if (v != 0)
abort ();
v = ~v;
__atomic_fetch_and (&v, 0, __ATOMIC_SEQ_CST);
if (v != 0)
abort ();
}
void
test_nand ()
{
v = init;
__atomic_fetch_nand (&v, 0, __ATOMIC_RELAXED);
if (v != init)
abort ();
__atomic_fetch_nand (&v, init, __ATOMIC_CONSUME);
if (v != 0)
abort ();
__atomic_nand_fetch (&v, 0, __ATOMIC_ACQUIRE);
if (v != init)
abort ();
__atomic_nand_fetch (&v, init, __ATOMIC_RELEASE);
if (v != 0)
abort ();
__atomic_fetch_nand (&v, init, __ATOMIC_ACQ_REL);
if (v != init)
abort ();
__atomic_nand_fetch (&v, 0, __ATOMIC_SEQ_CST);
if (v != init)
abort ();
}
void
test_xor ()
{
v = init;
count = 0;
__atomic_xor_fetch (&v, count, __ATOMIC_RELAXED);
if (v != init)
abort ();
__atomic_fetch_xor (&v, ~count, __ATOMIC_CONSUME);
if (v != 0)
abort ();
__atomic_xor_fetch (&v, 0, __ATOMIC_ACQUIRE);
if (v != 0)
abort ();
__atomic_fetch_xor (&v, ~count, __ATOMIC_RELEASE);
if (v != init)
abort ();
__atomic_fetch_xor (&v, 0, __ATOMIC_ACQ_REL);
if (v != init)
abort ();
__atomic_xor_fetch (&v, ~count, __ATOMIC_SEQ_CST);
if (v != 0)
abort ();
}
void
test_or ()
{
v = 0;
count = 1;
__atomic_or_fetch (&v, count, __ATOMIC_RELAXED);
if (v != 1)
abort ();
count *= 2;
__atomic_fetch_or (&v, count, __ATOMIC_CONSUME);
if (v != 3)
abort ();
count *= 2;
__atomic_or_fetch (&v, 4, __ATOMIC_ACQUIRE);
if (v != 7)
abort ();
count *= 2;
__atomic_fetch_or (&v, 8, __ATOMIC_RELEASE);
if (v != 15)
abort ();
count *= 2;
__atomic_or_fetch (&v, count, __ATOMIC_ACQ_REL);
if (v != 31)
abort ();
count *= 2;
__atomic_fetch_or (&v, count, __ATOMIC_SEQ_CST);
if (v != 63)
abort ();
}
int
main ()
{
test_fetch_add ();
test_fetch_sub ();
test_fetch_and ();
test_fetch_nand ();
test_fetch_xor ();
test_fetch_or ();
test_add_fetch ();
test_sub_fetch ();
test_and_fetch ();
test_nand_fetch ();
test_xor_fetch ();
test_or_fetch ();
test_add ();
test_sub ();
test_and ();
test_nand ();
test_xor ();
test_or ();
return 0;
}